Characterization of Carboxymethylated Cellulose Nanofiber Made of Cotton Linter Fibers

This study investigated the use of cotton linter fiber as a raw material for manufacturing carboxymethylated cellulose nanofiber (CM-CNF). Cotton mixed pulp (CLMP) and hardwood bleached kraft (HwBKP) were used preparing carboxymethlyated (CMC) based on degree carboxymethylation (CM) considering dosage sodium hydroxide: monochloroacetic acid: low high CMs. After CM reactions, we evaluated length width, substitution (DS), morphology CM-CNF. The final CM-CNFs prepared by grinding CMCs developed from CLMP HwBKP one, three, five passes using microgrinder, their low-shear viscosity, zeta-potential determined. CMC fibers dissolved in water swollen according to CM. A comparison properties showed that width former was higher than those latter. In particular, DS much owing alpha-cellulose content; hence, displayed viscosity lower As increased, decreased increased linearly. Therefore, with content is prospective produce highly anionic CM-CNF considerably viscosity.